#define LLVM_SUPPORT_TARGETFOLDER_H
#include "llvm/Constants.h"
+#include "llvm/InstrTypes.h"
#include "llvm/Analysis/ConstantFolding.h"
namespace llvm {
class TargetData;
-class LLVMContext;
/// TargetFolder - Create constants with target dependent folding.
class TargetFolder {
const TargetData *TD;
- LLVMContext &Context;
/// Fold - Fold the constant using target specific information.
Constant *Fold(Constant *C) const {
if (ConstantExpr *CE = dyn_cast<ConstantExpr>(C))
- if (Constant *CF = ConstantFoldConstantExpression(CE, Context, TD))
+ if (Constant *CF = ConstantFoldConstantExpression(CE, TD))
return CF;
return C;
}
public:
- explicit TargetFolder(const TargetData *TheTD, LLVMContext &C) :
- TD(TheTD), Context(C) {}
+ explicit TargetFolder(const TargetData *TheTD) : TD(TheTD) {}
//===--------------------------------------------------------------------===//
// Binary Operators
Constant *CreateNSWAdd(Constant *LHS, Constant *RHS) const {
return Fold(ConstantExpr::getNSWAdd(LHS, RHS));
}
+ Constant *CreateNUWAdd(Constant *LHS, Constant *RHS) const {
+ return Fold(ConstantExpr::getNUWAdd(LHS, RHS));
+ }
Constant *CreateFAdd(Constant *LHS, Constant *RHS) const {
return Fold(ConstantExpr::getFAdd(LHS, RHS));
}
Constant *CreateSub(Constant *LHS, Constant *RHS) const {
return Fold(ConstantExpr::getSub(LHS, RHS));
}
+ Constant *CreateNSWSub(Constant *LHS, Constant *RHS) const {
+ return Fold(ConstantExpr::getNSWSub(LHS, RHS));
+ }
+ Constant *CreateNUWSub(Constant *LHS, Constant *RHS) const {
+ return Fold(ConstantExpr::getNUWSub(LHS, RHS));
+ }
Constant *CreateFSub(Constant *LHS, Constant *RHS) const {
return Fold(ConstantExpr::getFSub(LHS, RHS));
}
Constant *CreateMul(Constant *LHS, Constant *RHS) const {
return Fold(ConstantExpr::getMul(LHS, RHS));
}
+ Constant *CreateNSWMul(Constant *LHS, Constant *RHS) const {
+ return Fold(ConstantExpr::getNSWMul(LHS, RHS));
+ }
+ Constant *CreateNUWMul(Constant *LHS, Constant *RHS) const {
+ return Fold(ConstantExpr::getNUWMul(LHS, RHS));
+ }
Constant *CreateFMul(Constant *LHS, Constant *RHS) const {
return Fold(ConstantExpr::getFMul(LHS, RHS));
}
Constant *CreateNeg(Constant *C) const {
return Fold(ConstantExpr::getNeg(C));
}
+ Constant *CreateNSWNeg(Constant *C) const {
+ return Fold(ConstantExpr::getNSWNeg(C));
+ }
+ Constant *CreateNUWNeg(Constant *C) const {
+ return Fold(ConstantExpr::getNUWNeg(C));
+ }
Constant *CreateFNeg(Constant *C) const {
return Fold(ConstantExpr::getFNeg(C));
}
return C; // avoid calling Fold
return Fold(ConstantExpr::getIntegerCast(C, DestTy, isSigned));
}
-
+ Constant *CreatePointerCast(Constant *C, const Type *DestTy) const {
+ return ConstantExpr::getPointerCast(C, DestTy);
+ }
Constant *CreateBitCast(Constant *C, const Type *DestTy) const {
return CreateCast(Instruction::BitCast, C, DestTy);
}
Constant *CreatePtrToInt(Constant *C, const Type *DestTy) const {
return CreateCast(Instruction::PtrToInt, C, DestTy);
}
+ Constant *CreateZExtOrBitCast(Constant *C, const Type *DestTy) const {
+ if (C->getType() == DestTy)
+ return C; // avoid calling Fold
+ return Fold(ConstantExpr::getZExtOrBitCast(C, DestTy));
+ }
+ Constant *CreateSExtOrBitCast(Constant *C, const Type *DestTy) const {
+ if (C->getType() == DestTy)
+ return C; // avoid calling Fold
+ return Fold(ConstantExpr::getSExtOrBitCast(C, DestTy));
+ }
Constant *CreateTruncOrBitCast(Constant *C, const Type *DestTy) const {
if (C->getType() == DestTy)
return C; // avoid calling Fold